Quarter	Billions of US Dollars
1999-10-01	0.09530
2000-04-01	0.10892
2006-07-01	0.59922
2006-10-01	0.38115
2007-01-01	0.33438
2007-07-01	0.03485
2007-10-01	3.15551
2008-01-01	2.04767
2008-04-01	8.13831
2008-07-01	1.77834
2008-10-01	0.00428
2009-04-01	0.35398
2009-07-01	0.24506
2009-10-01	0.68074
2010-01-01	0.00657
2010-07-01	0.22750
2010-10-01	0.43286
2011-01-01	0.98050
2011-04-01	0.00050
2011-07-01	1.03474
2011-10-01	0.00002
2012-01-01	0.00412
2012-04-01	0.06193
2012-07-01	0.00037
2012-10-01	0.00019
2013-01-01	0.07958
2013-04-01	0.07387
2013-07-01	0.05639
2013-10-01	0.27345
2014-01-01	0.01728
2014-04-01	0.07755
2014-10-01	0.00249
2015-01-01	0.00850
2015-04-01	0.13615